Known vulnerabilities in fastify.io Fastify 5.3.3

Vendor: fastify.io
Website: https://www.fastify.io/
Total Security Bulletins: 2

Security bulletins (2)

Secuity bulletin Severity Status Published
SB2026020401: Remote denial of service in Fastify Medium
Patched
04.02.2026
SB2026020389: Spoofing attack in Fastify Medium
Patched
03.02.2026